Skip to content

Language

Country

Telescopes

There is no best telescope, only the telescope that matches your sky, your targets and how much you are willing to carry. A fast apochromatic refractor and a large Dobsonian are both excellent instruments and almost nothing alike in use. David Astro stocks telescopes in Canada — refractors, reflectors, Dobsonians, Schmidt-Cassegrains, Maksutovs and dedicated astrographs — shipping from Canadian inventory.

Our team observes and images with these instruments under Canadian conditions, and we will tell you honestly when a smaller scope you will actually set up beats a larger one that stays in the closet.

Filters

Original price $4,267.00 - Original price $4,267.00
Original price
$4,267.00
$4,267.00 - $4,267.00
Current price $4,267.00

Tele Vue TV-NP101is OTA

TV-NPI-4057

Aperture: 101mm Focal Length: 540mm Focal Ratio: f/5.4 Optical Design: APO Nagler-Petzval (4 elements / 2 groups) Focuser: 2.4" Focusmate Dual-Spe...

View full details
Original price $4,267.00 - Original price $4,267.00
Original price
$4,267.00
$4,267.00 - $4,267.00
Current price $4,267.00
Original price $7,373.00 - Original price $7,373.00
Original price
$7,373.00
$7,373.00 - $7,373.00
Current price $7,373.00

Tele Vue TV-NP127is OTA

TV-NPI-5054

Aperture: 127mm Focal Length: 660mm Focal Ratio: f/5.2 Optical Design: APO Nagler-Petzval (4 elements / 2 groups) Focuser: 2.4" Focusmate Dual-Spe...

View full details
Original price $7,373.00 - Original price $7,373.00
Original price
$7,373.00
$7,373.00 - $7,373.00
Current price $7,373.00
Original price $189.00 - Original price $299.00
Original price
$189.00 - $299.00
$189.00 - $299.00
Current price $189.00

Vaonis Hestia Smartphone Telescope

Options available

30mm (1.2 in) Aperture 25x Magnification Boost for Smartphones 6-Lens, 3-Group Optical Design 1.8° Field of View Weighs only 850g (1.87 lbs) App-g...

View full details
Original price $189.00 - Original price $299.00
Original price
$189.00 - $299.00
$189.00 - $299.00
Current price $189.00
Original price $1,590.00 - Original price $1,790.00
Original price
$1,590.00 - $1,790.00
$1,590.00 - $1,790.00
Current price $1,590.00

Vaonis Vespera II Smart Telescope

Options available

50mm Apochromatic Quadruplet Lens System 250mm Focal Length (f/5) 8.3 Megapixel Sony IMX 585 Color Sensor 2.9 µm Pixel Size 24 Megapixel CovalENS ...

View full details
Original price $1,590.00 - Original price $1,790.00
Original price
$1,590.00 - $1,790.00
$1,590.00 - $1,790.00
Current price $1,590.00
Original price $2,490.00 - Original price $2,490.00
Original price
$2,490.00
$2,490.00 - $2,490.00
Current price $2,490.00

Vaonis Vespera III Smart Telescope

VAO-VE50-III

50mm Apochromatic Quadruplet Lens System 245mm Focal Length (f/4.9) 8.3 MP Sony IMX585 Color Sensor 11-Hour Integrated Battery Life 115 GB Interna...

View full details
Original price $2,490.00 - Original price $2,490.00
Original price
$2,490.00
$2,490.00 - $2,490.00
Current price $2,490.00
Original price $2,990.00 - Original price $2,990.00
Original price
$2,990.00
$2,990.00 - $2,990.00
Current price $2,990.00

Vaonis Vespera Pro II Smart Telescope

VAO-VEP50-II

12.5 MP Sony IMX 676 Square Sensor 50mm Aperture, 245mm Focal Length (f/4.9) 50 MP CovalENS Mosaic Mode with 4.18° x 2.45° Max FOV 11-Hour Integra...

View full details
Original price $2,990.00 - Original price $2,990.00
Original price
$2,990.00
$2,990.00 - $2,990.00
Current price $2,990.00
Original price $2,598.00 - Original price $2,998.00
Original price
$2,598.00 - $2,998.00
$2,598.00 - $2,998.00
Current price $2,598.00

William Optics Cat 91 WIFD

Options available
1 variants in stock

91mm Aperture, 448mm Focal Length (f/4.9) 5-Element Advanced Petzval Optical Design 55mm Corrected Image Circle WIFD Rack & Pinion Internal Fo...

View full details
Original price $2,598.00 - Original price $2,998.00
Original price
$2,598.00 - $2,998.00
$2,598.00 - $2,998.00
Current price $2,598.00
Original price $3,598.00 - Original price $3,598.00
Original price
$3,598.00
$3,598.00 - $3,598.00
Current price $3,598.00

William Optics Fluorostar 120

Options available

120mm Aperture FPL-53 Triplet Apochromatic Optics 3.3" Rack & Pinion Focuser Built-in Camera Angle Rotator Integrated Bahtinov Mask Descrip...

View full details
Original price $3,598.00 - Original price $3,598.00
Original price
$3,598.00
$3,598.00 - $3,598.00
Current price $3,598.00
Original price $4,378.00 - Original price $5,668.00
Original price
$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
Current price $4,378.00

William Optics Fluorostar 132

Options available

132mm Aperture, 910mm Focal Length (f/6.9) Air-Spaced Triplet Apochromatic Objective Premium FPL-53 Glass for Superior Color Correction Heavy-Duty...

View full details
Original price $4,378.00 - Original price $5,668.00
Original price
$4,378.00 - $5,668.00
$4,378.00 - $5,668.00
Current price $4,378.00
Original price $7,398.00 - Original price $8,998.00
Original price
$7,398.00 - $8,998.00
$7,398.00 - $8,998.00
Current price $7,398.00

William Optics Fluorostar 156

Options available

156mm Aperture Triplet Apochromat 1217mm Focal Length (f/7.8) FPL-53 & Lanthanum Glass Elements 3.7" Rack & Pinion Focuser Thermally Stabl...

View full details
Original price $7,398.00 - Original price $8,998.00
Original price
$7,398.00 - $8,998.00
$7,398.00 - $8,998.00
Current price $7,398.00
Original price $1,998.00 - Original price $2,198.00
Original price
$1,998.00 - $2,198.00
$1,998.00 - $2,198.00
Current price $1,998.00

William Optics Fluorostar 91

Options available

91mm Aperture Apochromatic Triplet FPL-53 Glass for Superior Color Correction Strehl Ratio Exceeding 0.95 3.3" Dual-Speed Rack & Pinion Focuse...

View full details
Original price $1,998.00 - Original price $2,198.00
Original price
$1,998.00 - $2,198.00
$1,998.00 - $2,198.00
Current price $1,998.00
Original price $1,098.00 - Original price $1,098.00
Original price
$1,098.00
$1,098.00 - $1,098.00
Current price $1,098.00

William Optics Gran Turismo 71 APO Triplet

WO-A-F71GTII-RD

71mm Triplet Apochromatic Lens 419mm Focal Length at f/5.9 44mm Full-Frame Image Circle 2.5" Rack & Pinion Focuser OTA Weight: 2.95 kg (6.5 lb...

View full details
Original price $1,098.00 - Original price $1,098.00
Original price
$1,098.00
$1,098.00 - $1,098.00
Current price $1,098.00
Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00

William Optics Gran Turismo WIFD 81

Options available

81mm Aperture Triplet Apochromatic Refractor FPL-53 Ohara Glass for Superior Color Correction William Optics Internal Focusing Design (WIFD) Inclu...

View full details
Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00
Original price $988.00 - Original price $988.00
Original price
$988.00
$988.00 - $988.00
Current price $988.00

William Optics MiniCat 51 WIFD f/3.5

WO-T-C-MINI-RD
3 in stock

51mm Aperture Diameter 178mm Focal Length f/3.5 Focal Ratio 6-Element Petzval Optical Design 43.2mm Full-Frame Image Circle WIFD Rack & Pinion...

View full details
Original price $988.00 - Original price $988.00
Original price
$988.00
$988.00 - $988.00
Current price $988.00
Original price $4,198.00 - Original price $4,198.00
Original price
$4,198.00
$4,198.00 - $4,198.00
Current price $4,198.00

William Optics Pleiades 111 Astrograph F/4.8 7-element WIFD

WO-T-P-111BU

111mm Aperture 7-Element Astrograph 528mm Focal Length at a fast f/4.8 45mm Image Circle for Full-Frame Sensors William Optics Internal Focus Desi...

View full details
Original price $4,198.00 - Original price $4,198.00
Original price
$4,198.00
$4,198.00 - $4,198.00
Current price $4,198.00
Original price $19,998.00 - Original price $19,998.00
Original price
$19,998.00
$19,998.00 - $19,998.00
Current price $19,998.00

William Optics Pleiades 181 Astrograph F/5.5 7-element with 3 ED glasses

WO-T-P-181RD

181mm Aperture, 998mm Focal Length Fast f/5.5 Focal Ratio 7-Element Optical Design with 3 Super ED Glass Elements 55mm Corrected Image Circle 4.1-...

View full details
Original price $19,998.00 - Original price $19,998.00
Original price
$19,998.00
$19,998.00 - $19,998.00
Current price $19,998.00
Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00

William Optics Pleiades 68 Astrograph F/3.8 7-Element WIFD

WO-T-P-68BU

68mm Aperture 7-Element Astrograph Fast f/3.8 Focal Ratio 260mm Focal Length 48mm Full-Frame Image Circle Weighs only 2.98 kg (6.57 lbs) WIFD Focu...

View full details
Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00
Original price $888.00 - Original price $888.00
Original price
$888.00
$888.00 - $888.00
Current price $888.00

William Optics Redcat 51 WIFD

WO-L-RC51RDIII
2 in stock

Compact Apochromatic Refractor Petzval-like Optical Design for Flat Fields William Optics Internal Focus Design (WIFD) CNC-Machined Aluminum Body ...

View full details
Original price $888.00 - Original price $888.00
Original price
$888.00
$888.00 - $888.00
Current price $888.00
Original price $1,098.00 - Original price $1,098.00
Original price
$1,098.00
$1,098.00 - $1,098.00
Current price $1,098.00

William Optics RedCat 61 WIFD

WO-T-C-61RD
1 in stock

61mm Aperture Petzval-like Astrograph Fast f/4.9 Focal Ratio WIFD (William Optics Internal Focus Design) Focuser Requires No Backfocus Calculation...

View full details
Original price $1,098.00 - Original price $1,098.00
Original price
$1,098.00
$1,098.00 - $1,098.00
Current price $1,098.00
Original price $1,398.00 - Original price $1,398.00
Original price
$1,398.00
$1,398.00 - $1,398.00
Current price $1,398.00

William Optics Redcat 71 WIFD

WO-T-C-71RDII

Apochromatic Petzval-like Optical Design WIFD (William Optics Internal Focuser Design) Integrated Bahtinov Mask in Dust Cap Included M48 Camera Ad...

View full details
Original price $1,398.00 - Original price $1,398.00
Original price
$1,398.00
$1,398.00 - $1,398.00
Current price $1,398.00
Original price $5,398.00 - Original price $5,398.00
Original price
$5,398.00
$5,398.00 - $5,398.00
Current price $5,398.00

William Optics Ultra-Cat 131 f/4.9 Petzval Astrograph

WO-T-C-131BR

131mm Aperture 648mm Focal Length (f/4.9) 5-Element Advanced Petzval Optical Design 60mm Flat-Field Image Circle Patented WIFD Internal Focuser 13...

View full details
Original price $5,398.00 - Original price $5,398.00
Original price
$5,398.00
$5,398.00 - $5,398.00
Current price $5,398.00
Original price $3,998.00 - Original price $3,998.00
Original price
$3,998.00
$3,998.00 - $3,998.00
Current price $3,998.00

William Optics UltraCat 108 f/4.8 WIFD

WO-T-C-108BR
1 in stock

108mm Aperture, 5-Element Advanced Petzval Optical Design Fast f/4.8 Focal Ratio with 518mm Focal Length Massive 60mm Flat-Field Image Circle Pate...

View full details
Original price $3,998.00 - Original price $3,998.00
Original price
$3,998.00
$3,998.00 - $3,998.00
Current price $3,998.00
Original price $1,398.00 - Original price $1,398.00
Original price
$1,398.00
$1,398.00 - $1,398.00
Current price $1,398.00

William Optics UltraCat 56 f/4.8 WIFD

WO-T-C-56BR
6 in stock

56mm Aperture, 269mm Focal Length (f/4.8) 5-Element Advanced Petzval Optical Design 50mm Image Circle for Full-Frame Sensors William Optics Intern...

View full details
Original price $1,398.00 - Original price $1,398.00
Original price
$1,398.00
$1,398.00 - $1,398.00
Current price $1,398.00
Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00

William Optics UltraCat 76 f/4.8 WIFD

WO-T-C-76BR
2 in stock

76 mm Aperture, 365 mm Focal Length (f/4.8) 5-Element Advanced Petzval Optical Design 50 mm Corrected Image Circle William Optics Internal Focusin...

View full details
Original price $2,198.00 - Original price $2,198.00
Original price
$2,198.00
$2,198.00 - $2,198.00
Current price $2,198.00

Telescope Designs and What Each Does Best

Aperture gathers light, focal length sets image scale, and focal ratio determines how fast you collect photons. The optical design determines how those three behave in practice.

  • Refractors: Sealed lens systems with high contrast and no central obstruction. Apochromatic triplets and doublets with ED glass are the workhorse choice for wide-field deep-sky imaging.
  • Newtonian reflectors: The most aperture for the money. Fast Newtonians and imaging astrographs deliver bright, wide fields; they need periodic collimation and a coma corrector.
  • Dobsonians: A Newtonian on a simple alt-azimuth base — the most practical route to large aperture for visual deep-sky observing.
  • Schmidt-Cassegrains and Maksutovs: Long focal length folded into a short tube, ideal for planetary, lunar and small galaxy work where image scale matters more than field width.
  • Solar telescopes: Dedicated hydrogen-alpha instruments for prominences and surface detail, usable in daylight.
  • Astrographs: Optics designed only for imaging, with flat, well-corrected fields across large sensors and no visual compromise.

Why Choose David Astro for Telescopes

A telescope is a system purchase. What goes on the mount, behind the focuser and in front of the sensor matters as much as the tube.

  • Matched to your sky: We ask about your light pollution, your typical seeing and where you observe before recommending an aperture and focal ratio.
  • Complete system quoting: We specify the mount, diagonal, eyepieces or imaging train alongside the tube, so the telescope arrives usable rather than half-usable.
  • Authorized dealer: Full manufacturer warranty, verified authenticity, and warranty service handled inside Canada.
  • Canadian stock and safe shipping: Telescopes ship from our Canadian warehouse, avoiding duties, brokerage fees and extra cross-border handling.
  • Collimation and setup support: In-house help with first light, collimation and troubleshooting after the sale.

Telescopes in Canada — Frequently Asked Questions

What is a good first telescope?
For visual observing, a 6 or 8 inch Dobsonian gives the most aperture for the money and needs no electronics. For imaging, a short apochromatic refractor on a solid equatorial mount is far more forgiving than a large tube.
Can one telescope do both visual and imaging?
Yes, but with compromises. A fast refractor around f/6 handles both reasonably. Long, slow Schmidt-Cassegrains are superb visually and demanding to image with; large Dobsonians are visual instruments.
How much aperture do I need for galaxies?
Visually, dark skies matter more than aperture, though 8 inches and up makes structure visible. For imaging, integration time substitutes for aperture — a small refractor with many hours will out-resolve a large scope with few.
Do telescopes ship safely within Canada?
Yes. Everything in stock ships from our Canadian warehouse, which removes a border crossing and the handling that goes with it, and Canadian buyers pay no duties or brokerage.

Choosing your next telescope?

Tell us your sky, your targets and your budget, and we will recommend a complete working setup. Canadian stock, worldwide shipping.